AFI21-101_AETCSUP_12FTWSUP — Aircraft And Equipment Maintenance Management

AFI21-101_AETCSUP_12FTWSUP governs supplemental aircraft and equipment maintenance management at the 12th Flying Training Wing.

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  • Publication number: AFI21-101_AETCSUP_12FTWSUP
  • Title: Aircraft And Equipment Maintenance Management
  • Date: 2025-07-01

View AFI21-101_AETCSUP_12FTWSUP on armypubs.army.mil


It covers training functions, local manufacture controls, Impound Official training, flying-hour windows, surges, quiet hours, cross-country sorties, turn times, crew readiness, flying-time accounting, night flying, weekend flying, and Family Day flying. It requires coordination, approvals, personnel and aircraft availability, recovery planning, and daily reconciliation of sorties and hours.

Applies to: This supplement applies to both maintenance (MX) and operations (OPS) personnel assigned or attached to the 12th Flying Training Wing (12 FTW) at both Joint Base San Antonio (JBSA)-Randolph and Pensacola Naval Air Station (NAS).

Topics covered

  • GITA/TAA training functions
  • Local manufacture procedures
  • Impound Official training
  • Flying hour windows
  • Surge operations
  • Cross-country sorties
  • Minimum aircraft turn times
  • Night and weekend flying

Questions and answers

What is the maximum sustainable flying hour window for MX?

The maximum sustainable flying hour window for MX is 12 hours per mission design series (MDS).

What approval is required for unplanned surges?

Unplanned surges require MXG/CL or Naval Air Station Pensacola (NASP) DOM and appropriate group commander approval.

How long do maintenance support shifts continue during a surge?

Affected Maintenance Support Unit (MSU) will begin twelve-hour shifts on the first day of the surge and continue until the surge ends.

When are surge operations halted and recovery started?

At the break point, surge operations will be halted, and recovery will begin.

What are the minimum turn times for 12 FTW aircraft?

For planning purposes, the following minimum turn times will be used by 12 FTW aircraft: T-1: 2 hours ground time; T-6: 1 hour 30 minutes ground time; T-38: 1 hour 30 minutes ground time.

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